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/* ==========================================
* JGraphT : a free Java graph-theory library
* ==========================================
*
* Project Info: http://jgrapht.sourceforge.net/
* Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
*
* (C) Copyright 2003-2008, by Barak Naveh and Contributors.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/* -------------------------
* BiconnectivityInspectorTest.java
* -------------------------
* (C) Copyright 2007-2008, by France Telecom
*
* Original Author: Guillaume Boulmier and Contributors.
*
* $Id: BiconnectivityInspectorTest.java 645 2008-09-30 19:44:48Z perfecthash $
*
* Changes
* -------
* 05-Jun-2007 : Initial revision (GB);
*
*/
package org.jgrapht.alg;
import junit.framework.*;
import org.jgrapht.*;
import org.jgrapht.generate.*;
import org.jgrapht.graph.*;
/**
* @author Guillaume Boulmier
* @since July 5, 2007
*/
@SuppressWarnings("unchecked")
public class BiconnectivityInspectorTest
extends TestCase
{
//~ Methods ----------------------------------------------------------------
public void testBiconnected()
{
BiconnectedGraph graph = new BiconnectedGraph();
BiconnectivityInspector inspector = new BiconnectivityInspector(graph);
assertTrue(inspector.isBiconnected());
assertEquals(0, inspector.getCutpoints().size());
assertEquals(1, inspector.getBiconnectedVertexComponents().size());
}
public void testLinearGraph()
{
testLinearGraph(3);
testLinearGraph(5);
}
public void testLinearGraph(int nbVertices)
{
UndirectedGraph graph = new SimpleGraph(DefaultEdge.class);
LinearGraphGenerator generator = new LinearGraphGenerator(nbVertices);
generator.generateGraph(
graph,
new ClassBasedVertexFactory<Object>(
Object.class),
null);
BiconnectivityInspector inspector = new BiconnectivityInspector(graph);
assertEquals(nbVertices - 2, inspector.getCutpoints().size());
assertEquals(
nbVertices - 1,
inspector.getBiconnectedVertexComponents().size());
}
public void testNotBiconnected()
{
NotBiconnectedGraph graph = new NotBiconnectedGraph();
BiconnectivityInspector inspector = new BiconnectivityInspector(graph);
assertEquals(2, inspector.getCutpoints().size());
assertEquals(3, inspector.getBiconnectedVertexComponents().size());
}
}
// End BiconnectivityInspectorTest.java
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